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Finding the Fourth Proportional to 343,522.52, 474,060.64 and 190,583.90

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Solution

The fourth proportional to 343,522.52, 474,060.64 and 190,583.90 is: 263,005.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,522.52 : 474,060.64 = 190,583.90 : x
  2. Step 2: Convert to fraction form
    343,522.52/474,060.64 = 190,583.90/x
  3. Step 3: Cross multiply
    343,522.52x = 474,060.64 × 190,583.90
  4. Step 4: Simplify right side
    343,522.52x = 90,348,325,607.70
  5. Step 5: Solve for x
    x = 90,348,325,607.70/343,522.52
  6. Step 6: Final answer
    x = 263,005.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.